Home / 202,095,332.10-303,142,998.15-72,707,163.30

Finding the Fourth Proportional to 202,095,332.10, 303,142,998.15 and 72,707,163.30

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Solution

The fourth proportional to 202,095,332.10, 303,142,998.15 and 72,707,163.30 is: 109,060,744.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,095,332.10 : 303,142,998.15 = 72,707,163.30 : x
  2. Step 2: Convert to fraction form
    202,095,332.10/303,142,998.15 = 72,707,163.30/x
  3. Step 3: Cross multiply
    202,095,332.10x = 303,142,998.15 × 72,707,163.30
  4. Step 4: Simplify right side
    202,095,332.10x = 22,040,667,469,743,644
  5. Step 5: Solve for x
    x = 22,040,667,469,743,644/202,095,332.10
  6. Step 6: Final answer
    x = 109,060,744.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.